The Hanna HI98129 is one of Hanna's most popular pocket meters — a waterproof, floating combo tester that measures pH, low-range EC/TDS, and temperature in a single unit. It reads pH 0.00–14.00, EC 0–3999 µS/cm, and TDS 0–2000 ppm, all with automatic temperature compensation.

Key features

• Replaceable HI73127 pH electrode cartridge with an extendable cloth junction that extends sensor life
• Graphite EC/TDS probe resists salt fouling for stable readings
• Exposed temperature sensor for fast, accurate ATC; user-selectable EC/TDS conversion factor and temperature coefficient
• Compact, floating, waterproof body with dual-level LCD and automatic shut-off

What's included: HI98129 tester with HI73127 pH electrode installed, HI73128 electrode removal tool, 4 x 1.5V batteries, and instructions.

Applications: hydroponics, aquariums, pools and ponds, drinking water, and general low-conductivity water quality testing.

Find replacement electrodes, calibration solutions, and spares in our Hanna Accessories & Parts collection.

Estimated shipping weight: 0.5 lb.